Smoke detector



FIG. 1 is a front, top, perspective view of a smoke detector.

FIG. 2 is a rear, top, perspective view of FIG. 1.

FIG. 3 is a front elevation view of FIG. 1.

FIG. 4 is a rear elevation of FIG. 1.

FIG. 5 is a right side elevation view of FIG. 1.

FIG. 6 is a left side elevation view of FIG. 1.

FIG. 7 is a top plan view of FIG. 1.

FIG. 8 is a bottom plan view of FIG. 1.

FIG. 9 is an enlarged view of region 9 in FIG. 1.

FIG. 10 is an enlarged view of region 10 in FIG. 2.

FIG. 11 is an enlarged top plan view of region 11 in FIG. 7; and,

FIG. 12 is a partial sectional view from Section 12-12 in FIG. 11. 

CLAIM The ornamental design for a smoke detector, as shown and described. 